Home / 21,306,251.70-31,972,499.55-9,181,523.70

Finding the Fourth Proportional to 21,306,251.70, 31,972,499.55 and 9,181,523.70

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Solution

The fourth proportional to 21,306,251.70, 31,972,499.55 and 9,181,523.70 is: 13,777,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,251.70 : 31,972,499.55 = 9,181,523.70 : x
  2. Step 2: Convert to fraction form
    21,306,251.70/31,972,499.55 = 9,181,523.70/x
  3. Step 3: Cross multiply
    21,306,251.70x = 31,972,499.55 × 9,181,523.70
  4. Step 4: Simplify right side
    21,306,251.70x = 293,556,262,366,564.31
  5. Step 5: Solve for x
    x = 293,556,262,366,564.31/21,306,251.70
  6. Step 6: Final answer
    x = 13,777,940.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.